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astra-53 [7]
3 years ago
11

To those who are struggling with geometry or any maths class download “Gauthmath”. it has actual tutors who will give answers an

d step-by-step explanations. In case if anyone downloads it, can you use my code when signing up? The code is: KDUXHL
Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
4 0

Answer:

Thanks this can come in handy for me

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Find an explicit formula for the arithmetic sequence -5, 13, 31,
Lynna [10]

Answer:

b(n) = -23 + 18n

Step-by-step explanation:

NOTE - This is an arithmetic sequence, so each number is increasing by addition. If you were in a geometric sequence, however, you'd be multiplying. This means that the explicit formula for the geometric sequence you'll be learning later on will be different.

The formula for explicit formula is b(n)=b(1)+d(n-1). The variable d represents the common difference and the a is whatever number of the term you are using.

Since you have b(1), you look at what your first term is. Plug -5 into a(1).

To find your common difference, find 13-(-5). This is 18, and adding it to the others you can see that it continues.

So, plugging in what you have so far it looks like b(n) = -5 + 18(n - 1)

All we need to do now is simplify.

1. Distribute: -5 + 18n - 18

2. Add like terms: -23 + 18n

Hope this helped and made sense lol.

8 0
3 years ago
6/y = 9/24 solve the proportion
tatyana61 [14]
Y =16

You can multiply 6 x 24 to get 144 then divide by 9 to get the solution to y
4 0
3 years ago
How many yards are in 126 feet?<br><br><br><br> 1 yard = 3 feet
antoniya [11.8K]

Answer: 42 yards :)

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
In general, f−1(f(x)) = f(f−1(x)) =
Anestetic [448]

Answer:

f−1(f(x)) = f(f−1(x)) = x

Step-by-step explanation:

Follow this simple example using the function f(x) = x + 2

f(x) = x + 2

NOw we find the inverse function f^(1)(x).

y = x + 2

x = y + 2

y = x - 2

f^(-1)(x) = x - 2

The inverse function is f^(-1)(x) = x - 2

Now we do the two compositions of functions:

f^(-1)(f(x)) = x + 2 - 2 = x

f(f^(-1)(x)) = x - 2 + 2 = x

Both are equal to x.

Answer: f−1(f(x)) = f(f−1(x)) = x

5 0
2 years ago
Read 2 more answers
Plz solve as a ordered pair Plz
shepuryov [24]
The intersection is at (5,-6)
6 0
2 years ago
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